Question: C. [this problem is worth 9 points] The following data represent political party by age from a random sample of registered Iowa voters. 17-29 30-44
C. [this problem is worth 9 points] The following data represent political party by age from a random sample of registered Iowa voters.
| 17-29 | 30-44 | 45-64 | 65+ | Total | |
| Republican | 224 | 340 | 1075 | 561 | 2200 |
| Democrat | 184 | 384 | 773 | 459 | 1800 |
| Total | 408 | 724 | 1848 | 1020 | 4000 |
- If we select one person in this sample at random, what is the probability they are in the age group 17-29?
- If we selectthree people in this sample at random, without replacement, what is the probability they are all in the age group 17-29?
- If we select one person in this sample at random, what is the probability they are 17-29 years old or a Republican?
- If we select one person in this sample at random, what is the probability they are 17-29 years old and a Republican?
- If we select one person in this sample at random, what is the probability they are 17-29 years old, if they are a Republican?
- If we select one person in this sample at random, what is the probability they are a Republican if they are 17-29 years old?
- Are the events "Republican" and "30-44" independent? Explain.
- Are the events "Democrat" and "65+" independent? Explain.
- Are the events "17-29" and "45-64" mutually exclusive? Explain.
- Are the events "Republican" and "45-64" mutually exclusive? Explain.
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